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カシューナットのき (カシューナットの木)
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ブラジルの北部と北東部が原産です。海岸沿いに生え、高さは１０〜１２メートルになります。下部でよく分枝し、葉は倒卵形で全縁、互生します。枝先の花序に赤みを帯びた緑色の花を咲かせます。花後、花柄部が肥大して洋ナシ形のカシューアップルとなり、その先端に腎臓形の黒灰色の果実がつきます。このなかの仁がカシューナッツです。カシューアップルは、「りんご」のような芳香があり、生食したりジャムに加工されます。別名で、「まがたまのき（勾玉の木）」とも呼ばれます。 |
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ウルシ科アナカルディウム属の常緑高木で、学名は Anacardium occidentale。英名は Cashew、Cashew apple、Cashew nut。 |
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The Cashew (Anacardium occidentale) belongs to Anacardiaceae (the Sumac family). It is a tall evergreen tree that is native to northern and northeastern Brazil. It grows along the coast and is 10 to 12 m tall. It is well branched at the lower part, and its leaves are obovate, entire, and alternate. Reddish green flowers bloom in inflorescences at the ends of branches. After flowering, the petiole enlarges to form a pear-shaped cashew apple, which bears a kidney-shaped blackish-gray fruit at its tip. The nucleus of which is the cashew nut. The cashew apple has an "apple-like" aroma and is eaten raw or processed into jam. It is also known as "Magatamano-ki" in Japan. |
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関緑著「太陽の花たち」より。(photo by Midori Seki) |
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Shu Suehiro
shu@botanic.jp
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